Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Fritzgaertner's Flat
Celaenorrhinus fritzgaertneri (Bailey, 1880)


Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside is brown; forewing has a white band. Underside of hindwing is mottled. Fringes are checkered.
Wing Span: 1 5/8 - 1 15/16 inches (4.2 - 5 cm).
Life History: Adults fly at dusk and sometimes at dawn. They rest in caves, under highway bridges, and under ledges and leaves during the day.
Flight: February-September in South Texas; through October in Mexico.
Caterpillar Hosts: Not reported.
Adult Food: Flower nectar including that of papaya.
Habitat: Subtropical.
Range: Costa Rica north through Mexico. A periodic stray to South Texas and rarely to southern Arizona.
Conservation: Not necessary for a rare stray.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL